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Klappentext Meristematic cells in plants (as with stem cells in animals) become the many different types of cells found in a mature plant. This is achieved by a selective response to chemical signals both from neighbouring cells and distant tissues. It is these responses that shape the plant! its time of flowering! the sex of its flowers! its length of survival or progress to senescence and death. How do plants achieve this? This up-to-date treatise addresses this question using well-chosen examples to illustrate the concept of target cells. The authors discuss how each cell has the ability to discriminate between different chemical signals! determining which it will respond to and which it will ignore. The regulation of gene expression through signal perception and signal transduction is at the core of this selectivity and the Target Cell concept. This volume will serve as a valuable reference for all researchers working in the field of plant developmental biology. Zusammenfassung This treatise! aimed at researchers in plant developmental biology! discusses how each cell has the ability to discriminate between different chemical signals! determining which it will respond to and which it will ignore. These chemical signals shape the differentiation of that cell and the plant as a whole. Inhaltsverzeichnis Preface; 1. Introduction; 2. Hormones and signals; 3. Cell-to-cell signalling - long distance and short distance; 4. Population diversity of cell types and target identification in higher plants; 5. Flexibility of cell types and the target cell status; 6. Terminally committed cell types and the target status; 7. The mechanisms of target cell perception and response to specific signals; 8. Hormone action and the relief of repression; 9. The phenomenon of hormonal crosstalk; References.
